The VANS (Value Added Network Simulator) system re presents a new approach to the simulation of distrib uted resource-sharing computer networks. It allows the network designer either to manipulate the struc ture of the protocols (sets of rules) that govern the handling of communications in different types of networks or to investigate the effects of changing the parameters of networks operating under a fixed set of protocols. This paper describes the VANS sys tem and its use in conducting a wide range of experi ments in network design. While a number of simula tion programs permit experimenting with network parameters, VANS is the first to permit both that type of experimentation and experimentation with the protocols that control the operation of a computer network.
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SHOEMAKER, S., editor Computer Networks and SimulationNorth-HollandNew York September 1978
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Technical/User Documentation of the VANS System Available from G. Michael Schneider, Department of Computer Science, University of Minnesota, Minneapolis 55455
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